“… 1 In China, high incidence body parts of keloid disease are the earlobes, chest, shoulders, and the back. 2 The common clinical treatment methods for keloids include surgical resection, physical therapy (such as radiotherapy, laser therapy, stress therapy), and drug therapy (such as glucocorticoid, botulinum toxin A), but these treatment methods are ineffective, with a high recurrence rate. 3 , 4 , 5 Moreover, because the specific pathogenesis of keloids is not clear, their curative treatment is difficult.…”